1.直接用basename:
<?php
$full_name = 'c:\wamp\php\php.ini';
$base = basename($full_name); // $base is "php.ini"
$dir = dirname($full_name); // $dir is "c:\wamp\php"
?>
2.pathinfo:
<?php
$path_parts = pathinfo('/www/htdocs/inc/lib.inc.php');
echo $path_parts['dirname'], "\n";
echo $path_parts['basename'], "\n";
echo $path_parts['extension'], "\n";
echo $path_parts['filename'], "\n"; // since PHP 5.2.0
?>
3.explode :使用一个字符串分割另一个字符串
array explode ( string $delimiter , string $string [, int $limit ] )